Move Liveness from DemuxerStreamProvider to DemuxerStream.

media/filters/chunk_demuxer.h

Index: media/filters/chunk_demuxer.h
diff --git a/media/filters/chunk_demuxer.h b/media/filters/chunk_demuxer.h
index 3c0520ffa7232961bf9bba92d765a3de1105e5f9..3b5bed56f49f74622c3c64a7383e43da5dde428a 100644
--- a/media/filters/chunk_demuxer.h
+++ b/media/filters/chunk_demuxer.h
@@ -27,7 +27,7 @@ class MEDIA_EXPORT ChunkDemuxerStream : public DemuxerStream {
  public:
   typedef std::deque<scoped_refptr<StreamParserBuffer> > BufferQueue;
 
-  explicit ChunkDemuxerStream(Type type, bool splice_frames_enabled);
+  ChunkDemuxerStream(Type type, Liveness liveness, bool splice_frames_enabled);
   ~ChunkDemuxerStream() override;
 
   // ChunkDemuxerStream control methods.
@@ -82,6 +82,7 @@ class MEDIA_EXPORT ChunkDemuxerStream : public DemuxerStream {
   // DemuxerStream methods.
   void Read(const ReadCB& read_cb) override;
   Type type() override;
+  Liveness liveness() override;
   AudioDecoderConfig audio_decoder_config() override;
   VideoDecoderConfig video_decoder_config() override;
   bool SupportsConfigChanges() override;
@@ -116,6 +117,8 @@ class MEDIA_EXPORT ChunkDemuxerStream : public DemuxerStream {
   // Specifies the type of the stream.
   Type type_;
 
+  Liveness liveness_;
+
   scoped_ptr<SourceBufferStream> stream_;
 
   mutable base::Lock lock_;
@@ -165,7 +168,6 @@ class MEDIA_EXPORT ChunkDemuxer : public Demuxer {
   base::Time GetTimelineOffset() const override;
   DemuxerStream* GetStream(DemuxerStream::Type type) override;
   base::TimeDelta GetStartTime() const override;
-  Liveness GetLiveness() const override;
 
   // Methods used by an external object to control this demuxer.
   //
@@ -379,7 +381,7 @@ class MEDIA_EXPORT ChunkDemuxer : public Demuxer {
   double user_specified_duration_;
 
   base::Time timeline_offset_;
-  Liveness liveness_;
+  DemuxerStream::Liveness liveness_;
 
   typedef std::map<std::string, SourceState*> SourceStateMap;
   SourceStateMap source_state_map_;